Base | Representation |
---|---|
bin | 10000111111000… |
… | …11101111010111 |
3 | 100221010021100000 |
4 | 20133203233113 |
5 | 242434144313 |
6 | 22050022343 |
7 | 3350102304 |
oct | 1037435727 |
9 | 327107300 |
10 | 142490583 |
11 | 73483314 |
12 | 3b8779b3 |
13 | 2369cb71 |
14 | 14cd20ab |
15 | c799673 |
hex | 87e3bd7 |
142490583 has 36 divisors (see below), whose sum is σ = 226848440. Its totient is φ = 89361792.
The previous prime is 142490521. The next prime is 142490591. The reversal of 142490583 is 385094241.
It is a de Polignac number, because none of the positive numbers 2k-142490583 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142490683) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69213 + ... + 71241.
Almost surely, 2142490583 is an apocalyptic number.
142490583 is a deficient number, since it is larger than the sum of its proper divisors (84357857).
142490583 is an equidigital number, since it uses as much as digits as its factorization.
142490583 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2078 (or 2049 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 142490583 is about 11936.9419450712. The cubic root of 142490583 is about 522.3104574128.
The spelling of 142490583 in words is "one hundred forty-two million, four hundred ninety thousand, five hundred eighty-three".
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